Sound and light revision

What type of wave is a sound wave?

• Water wave

• Longitudinal

• Transverse

What is the amplitude of a wave?

• The distance between the same two points on a wave

• The maximum height of the wave

• The number of waves per second

When white light hits this filter, all colours are ________ except ________ light which is ___________ through the filter.

• red, transmitted, white

• blue, transmitted, absorbed

• absorbed, red, transmitted

• absorbed, green, transmitted.

In which medium does sound travel fastest?

• Liquid

• Solid

• Gas

Objects which reflect all colours will appear_______.

• black

• grey

• white

• multi coloured

What part of the ear collects sounds?

• Ear drum

• Ear canal

• Pinna

What is the angle of incidence in this ray diagram?

• 32⁰

• 58⁰

• 29^o

• 43^o

What are the arrows pointing to in this model of a travelling sound wave.

• Compressions

• Tennis balls

• Rarefactions

Which colour light has the highest frequency?

• Red

• Blue

• Violet

• Green

What are the arrows on this wave showing?

• Frequency

• Wavelength

• Amplitude